| Business | Phone |
| U S Post Office 1601 W Atherton Rd, Flint 48507 | (810) 234-8342 |
| U S Post Office 250 E Boulevard Dr, Flint 48502 | (810) 257-1506 |
| U S Post Office 2712 Flushing Rd, Flint 48504 | (810) 234-6801 |
| U S Post Office 3274 W Pasadena Ave, Flint 48504 | (810) 733-6681 |
| U S Post Office 3311 N Saginaw St, Flint 48505 | (810) 787-1380 |
| U S Post Office 601 S Saginaw St, Flint 48502 | (810) 234-5372 |